Did you know?
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
Typical computer-controlled diesel engine fuel injectors.
This typical die grinder surface preparation kit includes the air-operated die grinder and a ...
Typical timing marks. The numbers of the degrees are on the stationary plate and the notch is on ...
Typical secondary ignition oscilloscope pattern.
A typical bus system showing module CAN communications and twisted pairs of wire.
A diagram of a typical DNA cloning plasmid